附件中是在keil for arm下编译的ARM程序――LCD万年历

一个简单的利用查表法的反正切和正、余弦函数，在处理速度不快的单片机编程中，这是一个使用的方法。-The use of a simple arctangent look-up table method and positive, cosine function, the processing speed of microcontroller programming unpleasant, this is a method used.

AT24C64程序-AT24C64 procedures

单片机c语言编程常用的书籍，可以参考，里面包含有代码，实例说明。-Singlechip c programming language commonly used in books, can refer to, which contains code examples.

stc单片机的iap程序，用c51写的，是从汇编转换过来的-SCM STC IAP procedures, using C51 write is from the compilation of the conversion from the

CYGNAL单片机，C8051FXXX应用例程6-CYGNAL microcontroller, C8051FXXX routines 6

1602 液晶 实现对立式键盘的操作 使用的是新华龙单片机 100脚 的 -Vertical LCD for 1602 to achieve the operation of the keyboard using a new single-chip 100-pin of Hualong

彭鸿才电机原理及拖动,希望对大家有帮助，共同学习，多多交流-none

本方法的基本思想就是利用单片机具有的PWM端口，在不改变PWM方波周期的前提下，通过软件的方法调整单片机的PWM控制寄存器来调整PWM的占空比，从而控制充电电流-The basic idea of this method is the use of microcontroller has the PWM ports, without changing the PWM square wave cycle, under the premise of the method to adjust by software MCU PWM control registers to adjust the PWM duty cycle and thus control the charge current

ARM入门初级基础,主要对ARM 学习有个初步了解和认识,即使没接触过单片机的人也可以轻松学习-ARM entry-primary basis, mainly on the ARM to have a preliminary understanding of learning and understanding, even if did not come into contact with SCM can easily learn

STC单片机AD的实现加8位595串行数码管显示-STC Single-chip realization of AD plus 8 595 serial digital tube display